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8003
2?
9
titun
9
‘7;
4
e
‘7nsun
The
bobbin
thread
tension
rarely
needs
adjusting,
except
for
embroidery
when
ii
should
be
a
little
tighter
than
for
ordinary
sewing.
Adjustment
is
made
by
a
small
knurled
screw
on
the
bobbin
case
which
can
be
turned
with
the
thumb
tip.
Turn
it
left
E(
for
looser
tension.
Turn
it
right
for
tighter
tension.
Determine
correct
bobbin
tension
by
holding
the
thread
end
between
thumb
and
forefinger
and
letting
the
bobbin
case
hang
freely.
The
tension
should
be
strong
enough
to
keep
the
bobbin
case
from
being
pulled
down
by
its
own
weight.
However,
as
you
jerk
your
hand
slightly,
the
bobbin
case
should
grad
ually
slide
down.
V
Thefinal
stitch
appearance
can
be
regulated
by
the
upper
tension
dial,
as
follows:
Turn
left
for
looser
tension.
Turn
right
for
tighter
tension.
The
upper
tension
is
so
designed
thot
all
grades
of
ten
sion
—
loose
to
tight
—
con
be
covered
with
one
complete
turn
of
the
tension
dial.
The
numbers
on
the
tension
dial
indicate
different
degrees
of
tension.
The
higher
the
num
ber,
the
greater
the
tension.
For
ordinary
sewing,
the
upper
tension
should
be
set
between
3
and
5.
Your
upper
tension
has
a
third
tension
disc
for
two-needle
A
work.
R8029
19